1// 2// Copyright (C) 2013 The Android Open Source Project 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15// 16 17#ifndef UPDATE_ENGINE_HARDWARE_CHROMEOS_H_ 18#define UPDATE_ENGINE_HARDWARE_CHROMEOS_H_ 19 20#include <string> 21#include <vector> 22 23#include <base/macros.h> 24#include <base/time/time.h> 25#include <debugd/dbus-proxies.h> 26 27#include "update_engine/common/hardware_interface.h" 28 29namespace chromeos_update_engine { 30 31// Implements the real interface with Chrome OS verified boot and recovery 32// process. 33class HardwareChromeOS final : public HardwareInterface { 34 public: 35 HardwareChromeOS() = default; 36 ~HardwareChromeOS() override = default; 37 38 void Init(); 39 40 // HardwareInterface methods. 41 bool IsOfficialBuild() const override; 42 bool IsNormalBootMode() const override; 43 bool AreDevFeaturesEnabled() const override; 44 bool IsOOBEEnabled() const override; 45 bool IsOOBEComplete(base::Time* out_time_of_oobe) const override; 46 std::string GetHardwareClass() const override; 47 std::string GetFirmwareVersion() const override; 48 std::string GetECVersion() const override; 49 int GetPowerwashCount() const override; 50 bool SchedulePowerwash() override; 51 bool CancelPowerwash() override; 52 bool GetNonVolatileDirectory(base::FilePath* path) const override; 53 bool GetPowerwashSafeDirectory(base::FilePath* path) const override; 54 int64_t GetBuildTimestamp() const override; 55 bool GetFirstActiveOmahaPingSent() const override; 56 void SetFirstActiveOmahaPingSent() override; 57 58 private: 59 friend class HardwareChromeOSTest; 60 61 // Load the update manager config flags (is_oobe_enabled flag) from the 62 // appropriate location based on whether we are in a normal mode boot (as 63 // passed in |normal_mode|) prefixing the paths with |root_prefix|. 64 void LoadConfig(const std::string& root_prefix, bool normal_mode); 65 66 bool is_oobe_enabled_; 67 68 std::unique_ptr<org::chromium::debugdProxyInterface> debugd_proxy_; 69 70 DISALLOW_COPY_AND_ASSIGN(HardwareChromeOS); 71}; 72 73} // namespace chromeos_update_engine 74 75#endif // UPDATE_ENGINE_HARDWARE_CHROMEOS_H_ 76